Usage  | Fluid/Lubricant  | 
|---|---|
Engine Oil  | Engine oil with the American Petroleum Institute Certified for Gasoline Engines STARBURST symbol of the proper viscosity  | 
Engine Coolant  | 50/50 mixture of clean drinkable water and use only GM Goodwrench® DEX-COOL® or Havoline® DEX-COOL® coolant  | 
Hydraulic Brake System  | Delco Supreme 11® Brake Fluid GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid  | 
Windshield Washer Solvent  | GM Optikleen® Washer Solvent GM P/N 1051515 (Canadian P/N 993033) or equivalent  | 
Hydraulic Clutch System  | Hydraulic Clutch Fluid GM P/N 12345347 (Canadian P/N 1095351) or equivalent DOT-3 brake fluid  | 
Power Steering System  | GM Power Steering Fluid GM P/N 1052884 - 1 pint, 1050017 - 1 quart (Canadian P/N 993294 - 1 pint, 992646 - 1 quart) or equivalent  | 
Automatic Transmission  | DEXRON®-VI, Automatic Transmission Fluid  | 
Key Lock Cylinders  | Multi-Purpose Lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent  | 
Floor Shift Linkage  | Lubriplate® Lubricant Aerosol GM P/N 1052349 (Canadian P/N 992723) or equivalent or lubricant meeting requirements of NLGI # 2 Category LB or GC-LB  | 
Chassis Lubrication  | Chassis Lubricant GM P/N 12377985 or equivalent or lubricant meeting requirements of NLGI # 2 Category LB or GC-LB  | 
Front Axle (8.25 in S4WD)  | SAE 80W-90 Axle Lubricant GM P/N 89021671 (Canadian P/N 10953455).  | 
Front Axle (8.25 in F4WD) Front Axle (9.25 in)  | SAE 75W-90 Synthetic Axle Lubricant GM P/N 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115  | 
Rear Axle  | SAE 75W-90 Synthetic Axle Lubricant GM P/N 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115  | 
Rear Axle (with NYS Quadrasteer Axle Only)  | SAE 75W-90 Synthetic Axle Lubricant GM P/N 12378557 (Canadian P/N 88901362) or equivalent. Do not add friction modifier.  | 
Automatic Transfer Case (NP8 Only)  | AUTO-TRAK II Fluid GM P/N 12378508 (Canadian P/N 10953626)  | 
Automatic Transfer Case (NP3, NR3, NR4)  | Manual Transmission Fluid GM P/N 88861800 (Canadian P/N 88861801)  | 
Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.)  | Spline Lubricant, Special Lubricant GM P/N 12345879 (Canadian P/N 10953511) or lubricant meeting requirements of GM 9985830  | 
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl  | Lubriplate® Lubricant Aerosol GM P/N 1052349 (Canadian P/N 992723) or equivalent or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB  | 
Hood Hinges  | Multi-Purpose lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent  | 
Body Door Hinge Pins, Liftgate Hinge and Linkage, Folding Seats and Fuel Door Hinge  | Multi-Purpose lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent  | 
Outer Tailgate Handle Pivot Points  | Multi-Purpose lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent  | 
Weatherstrip Conditioning  | Dielectric Silicone Grease GM P/N 12345579 (Canadian P/N 1974984) or equivalent  | 
Weatherstrip Squeaks  | Synthetic Grease with Teflon, Superlube® GM P/N 12371287 (Canadian P/N 10953437) or equivalent  |